@article{10_4064_fm214_3_4,
     author = {William Fleissner and Lynne Yengulalp},
     title = {Nonnormality points of $\beta X \setminus X$},
     journal = {Fundamenta Mathematicae},
     pages = {269--283},
     publisher = {mathdoc},
     volume = {214},
     number = {3},
     year = {2011},
     doi = {10.4064/fm214-3-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm214-3-4/}
}